Home / 685,772.40-946,478.04-410,112.24

Finding the Fourth Proportional to 685,772.40, 946,478.04 and 410,112.24

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Solution

The fourth proportional to 685,772.40, 946,478.04 and 410,112.24 is: 566,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,772.40 : 946,478.04 = 410,112.24 : x
  2. Step 2: Convert to fraction form
    685,772.40/946,478.04 = 410,112.24/x
  3. Step 3: Cross multiply
    685,772.40x = 946,478.04 × 410,112.24
  4. Step 4: Simplify right side
    685,772.40x = 388,162,229,095.21
  5. Step 5: Solve for x
    x = 388,162,229,095.21/685,772.40
  6. Step 6: Final answer
    x = 566,021.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.